js string method

String operation method 1. Convert to string type toString() (1)var num=110; var n=num.toString(); //"110" (2)var num=111; var n=String(num); //"111" (3)var num=112; var n="" + num; //"112" 2. String segmentation returns a new array split() (1)var str="qingchenghuwoguoxiansheng,woaishenghuo,woaiziji"; var arr1=str.split ...

Posted by dirkbonenkamp on Wed, 20 Oct 2021 18:58:59 -0700

Cesium intermediate tutorial 10 - cesium JS and webpack

webpack is a popular and powerful tool for packaging JavaScript modules. It allows developers to construct code and assets in an intuitive way, and use simple require statements to load different types of files as needed. When built, it tracks code dependencies and packages these modules into one or more packages loaded by the browser. In the ...

Posted by cosmos33 on Wed, 20 Oct 2021 18:53:05 -0700

Stock market senior Daniel wrote a stock price real-time MacOS application in Python! Real time monitoring!

introduction While Python is good for building many things, MacOS applications are certainly not one of them. I wonder if I can use Python to build a menu bar application for MacOS. I found it not only possible, but also "very simple". In this tutorial, we will build a real-time MacOS application for stock prices -- all in Python. ...

Posted by SuisydeKing on Wed, 20 Oct 2021 19:37:51 -0700

PTA --- greedy algorithm

7-1 packing problem import java.util.Scanner; public class Program1 { public static void main(String[] args) { int N; Scanner in = new Scanner(System.in); N = in.nextInt(); int []things = new int[N]; //Up to N boxes int []box = new int[N]; //Record the maximum number of boxes ...

Posted by webbnino on Wed, 20 Oct 2021 20:33:54 -0700

Neo4j - CQL use

Neo4j - CQL introduction Neo4j's Cypher language is built to process graphic data, and CQL stands for Cypher query language. Like Oracle database with query language SQL, neo4j has CQL as query language It is the query language of Neo4j graphics databaseIs a declarative pattern matching languageFollow SQL syntaxGrammar is a very simple, h ...

Posted by dyip on Wed, 20 Oct 2021 19:31:30 -0700

VFP handles the payment. You need to know some knowledge to do it

“   People who boast about the power of programming language are usually the power of the language itself, not the power of this person. Whenever, language is just a tool. -- Garfield " Recently, a friend asked whether VFP can be paid. It must be paid for VFP. Kitty has done all the components well. After opening an account ...

Posted by e4c5 on Wed, 20 Oct 2021 21:51:53 -0700